"The increase in strength of Boko Haram reflects our slowness and our inability to put up a robust response," Niger's Foreign Minister Mohamed Bazoum said at the talks in Niamey.
"We are watching, as was the case in Mali, the loss of sovereignty in Nigeria over large tracts of its territory and the exporting of the violence to neighbouring countries."
Ministers from Nigeria, Cameroon, Chad, Niger, Benin, Equatorial Guinea were due to attend, along with representatives from the US, the European Union, China and several other countries.
Chad sent on Saturday a convoy of troops and 400 military vehicles into neighbouring Cameroon to fight Boko Haram, with Nigeria's army widely criticised for failing to crush the militants.
A Boko Haram assault this month on the town of Baga on the shores of Lake Chad trigged widespread outrage and helped spur a regional response.
Amnesty International described the attack, which is believed to have killed hundreds of people, as "the biggest and most destructive" yet by the armed fundamentalists.
Cameroon has also seen repeated attacks recently, including the kidnapping of dozens of people, mostly women and children, during a deadly attack on Sunday.
"The security situation in Nigeria and in the Lake Chad basin has deteriorated considerably," Bazoum told the Niamey meeting, adding that the fall of Baga showed that the sect has "more and more substantial resources" in firepower.
Chad's President Idriss Deby, who backs a regional effort, last week announced his determination to recapture Baga, a strategic area on Lake Chad where the borders of Chad, Cameroon, Niger and Nigeria converge.
However, Cameroon's Communications Minister Issa Tchiroma Bakary said it would take time to coordinate Cameroonian and Chadian troops.
You’ve reached your limit of {{free_limit}} free articles this month.
Subscribe now for unlimited access.
Already subscribed? Log in
Subscribe to read the full story →
Smart Quarterly
₹900
3 Months
₹300/Month
Smart Essential
₹2,700
1 Year
₹225/Month
Super Saver
₹3,900
2 Years
₹162/Month
Renews automatically, cancel anytime
Here’s what’s included in our digital subscription plans
Exclusive premium stories online
Over 30 premium stories daily, handpicked by our editors


Complimentary Access to The New York Times
News, Games, Cooking, Audio, Wirecutter & The Athletic
Business Standard Epaper
Digital replica of our daily newspaper — with options to read, save, and share


Curated Newsletters
Insights on markets, finance, politics, tech, and more delivered to your inbox
Market Analysis & Investment Insights
In-depth market analysis & insights with access to The Smart Investor


Archives
Repository of articles and publications dating back to 1997
Ad-free Reading
Uninterrupted reading experience with no advertisements


Seamless Access Across All Devices
Access Business Standard across devices — mobile, tablet, or PC, via web or app